In the cross depicted below, two parent plants, one with red flowers and the other with white flowers produce pink offspring. The white and red alleles for flower color in this plant exhibit
A)homozygosity.
B)codominance.
C)pleiotrophy.
D)incomplete dominance.

Question

In the cross depicted below, two parent plants, one with red flowers and the other with white flowers produce pink offspring. The white and red alleles for flower color in this plant exhibit 
A)homozygosity. 
B)codominance. 
C)pleiotrophy. 
D)incomplete dominance.

Quizplus · Accepted Answer

Incomplete dominance occurs when the heterozygous phenotype is an intermediate between the two homozygous phenotypes. In this case, the pink offspring indicate that neither the red nor the white allele is completely dominant over the other, resulting in incomplete dominance.

In the Cross Depicted Below, Two Parent Plants, One with Red